class Trip < ActiveRecord::Base
	belongs_to :station_salida, :class_name => 'Station', :foreign_key => 'station_salida_id'
	belongs_to :station_llegada, :class_name => 'Station', :foreign_key => 'station_llegada_id'
	belongs_to :service_type
	belongs_to :bus
	belongs_to :reservation
	has_many :passenger_x_promotions
end
